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Table 4 Prevalence (%) of active headache disorder by type, gender and diagnostic certainty (definite or probable)

From: The global prevalence of headache: an update, with analysis of the influences of methodological factors on prevalence estimates

  Studies specifying both Studies not making or not specifying the distinction Definite+probable (where given) or unspecified
Definite Probable All (definite + probable)
N Mean 95% CI N Mean 95% CI N Mean 95% CI N Mean 95% CI N Mean 95% CI
Migraine
 Both genders 59 10.5 9.0–12.0 59 8.7 7.1–10.3 59 19.2 16.7–21.7 185 12.4 11.2–13.8 244 14.0 12.8–15.2
 Males 27 6.2 5.1–8.3 27 6.3 4.7–8.0 27 12.9 10.5–15.3 153 7.9 7.0–8.8 180 8.6 7.8–9.6
 Females 28 14.5 11.9–17.2 28 9.7 7.5–12.0 28 24.2 21.2–27.5 156 15.7 14.2–17.4 184 17.0 15.5–18.4
TTH
 Both genders 33 19.4 15.3–24.1 33 10.0 7.9–12.6 33 29.4 24.4–34.3 77 24.5 20.7–29.0 110 26.0 22.9–29.6
 Males 12 18.1 11.4–25.4 12 8.6 4.6–13.3 12 26.8 20.6–33.5 52 22.6 17.7–28.4 64 23.4 19.1–28.0
 Females 12 22.4 13.2–32.9 12 9.4 5.3–14.6 12 31.8 23.6–40.4 54 26.1 21.0–31.7 66 27.1 22.7–32.2
  1. N number of studies, TTH tension-type headache, CI confidence interval